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editable: Improve preconditions

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Check that the positions we're given make sense.
This commit is contained in:
Matthias Clasen
2024-02-19 14:37:10 -05:00
parent 02a7a30978
commit 849e3403cd
1 changed files with 6 additions and 0 deletions
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6
gtk/gtkeditable.c
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@@ -482,6 +482,8 @@ gtk_editable_insert_text (GtkEditable *editable,
int *position)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_return_if_fail (text != NULL);
g_return_if_fail (length >= -1);
g_return_if_fail (position != NULL);
if (length < 0)
@@ -511,6 +513,8 @@ gtk_editable_delete_text (GtkEditable *editable,
int end_pos)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_return_if_fail (start_pos >= 0);
g_return_if_fail (end_pos == -1 || end_pos > start_pos);
GTK_EDITABLE_GET_IFACE (editable)->do_delete_text (editable, start_pos, end_pos);
}
@@ -544,6 +548,8 @@ gtk_editable_get_chars (GtkEditable *editable,
int start_index,end_index;
g_return_val_if_fail (GTK_IS_EDITABLE (editable), NULL);
g_return_val_if_fail (start_pos >= 0, NULL);
g_return_val_if_fail (end_pos == -1 || end_pos > start_pos, NULL);
text = GTK_EDITABLE_GET_IFACE (editable)->get_text (editable);
length = g_utf8_strlen (text, -1);